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Anonymous users2024-01-24If it is copper, you can find a hacksaw blade and scrape the groove of the key with a carving knife.
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Anonymous users2024-01-23It may be better to use the original key, but if it doesn't work, then change the lock cylinder. November.
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Anonymous users2024-01-22……Although my suggestion is to change the pair, can you tell us what kind of anti-theft lock? Some security door keys are not of conventional specifications.
If there is a key-free one, then you can only change the lock cylinder. The most professional and effective is the lock picking company, and they have more lock cylinder specifications. You can call 114 to find out. >>>More
Recently, a new anti-theft door has been installed, and at the beginning, it is only necessary to close the door when the door is closed, and you can use the key insurance, and there are usually people at home, and you don't need the key insurance. >>>More
Horizontally, vertically pulled, some key directions are more alternative, and you can only use a drill to drill off the lock cylinder.
Now the anti-theft door locks are high-precision computer slots, with the key sometimes can not open the door is normal, the lock cylinder and key of the anti-theft door try not to oil, with a very fine pencil lead powder. You can take a look at the manual of the security door lock.
2.Striking the lock cylinder The unlocking time is about 30 seconds. Insert one end of a master key into the B-grade cylinder and hit the other end of the key with a hammer; In the process of beating, try to twist the master key, and then hit it with a hammer a few 6 times, at which time the general lock cylinder will be opened. >>>More